I have installed D7Beta5 in a subdirectory of my current site. The site works but I am having major issues in the admin trying to install modules. I try to add photo module and I get the error "Failed. Recompiling page builder: An error occured. Contact with module's vendor"

I get this for almost the entire list of modules. The following list is what is installed already.
Chat
Messenger
Profile Customizer
Profiler
Quotes
Simple Messenger
Whiteboard

I cannot install Videos, see more Sounds or Photo or most of the others. I get the same errors on almost every single module. What is strange is that the Vidoes and Sounds have tabs in the menu of the site but the module is not installed yet the Photos tab is nowhere to be found and the module is also not installed. Any help???